Chris@16: // Copyright David Abrahams 2005. Distributed under the Boost
Chris@16: // Software License, Version 1.0. (See accompanying
Chris@16: // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
Chris@16: #ifndef BOOST_PARAMETER_AUX_RESULT_OF0_DWA2005511_HPP
Chris@16: # define BOOST_PARAMETER_AUX_RESULT_OF0_DWA2005511_HPP
Chris@16: 
Chris@16: # include <boost/utility/result_of.hpp>
Chris@16: 
Chris@16: // A metafunction returning the result of invoking a nullary function
Chris@16: // object of the given type.
Chris@16: 
Chris@16: #ifndef BOOST_NO_RESULT_OF
Chris@16: 
Chris@16: # include <boost/utility/result_of.hpp>
Chris@16: namespace boost { namespace parameter { namespace aux { 
Chris@16: template <class F>
Chris@16: struct result_of0 : result_of<F()>
Chris@16: {};
Chris@16: 
Chris@16: }}} // namespace boost::parameter::aux_
Chris@16: 
Chris@16: #else
Chris@16: 
Chris@16: namespace boost { namespace parameter { namespace aux { 
Chris@16: template <class F>
Chris@16: struct result_of0
Chris@16: {
Chris@16:     typedef typename F::result_type type;
Chris@16: };
Chris@16: 
Chris@16: }}} // namespace boost::parameter::aux_
Chris@16: 
Chris@16: #endif 
Chris@16: 
Chris@16: 
Chris@16: #endif // BOOST_PARAMETER_AUX_RESULT_OF0_DWA2005511_HPP